Obviously who people find difficult will differ depending on the individual, but understandably she is one of the harder characters to read due to her string mix-up, also 6T is a pain in the butt, not to mention her 9H counters all punches and on a misread can actually be cancelled into an attack. If a person isn't familiar with her, she can be extremely hard to deal with.
it's funny because I just played a hitomi player who was kicking my ass. probably hitomi's best feature are those lows... that's what usually gets me. unless you really spam her lows she's not that challenging to me. guarding her low kicks gives automatic grab.
Hitomi is hard to deal with online when she is played illegitimately. Constant abuse of free cancel offense and her lows fall under this because offline it is easier to react to both of them.
A good HItomi player uses but does not abuse her lows. They do everyhing in moderation; Lows, 6T, free cancelling, string delays, and most importantly spacing. Her whiff punishers and spacing is VERY deadly.
yeah this Hitomi player abused the hell out of her lows. she was good but mainly just kept getting my ankles and then grabbing me when I tried countering.. it's is somewhat hard to defend against especially in lag bc the delay :/